Bullock, J. A. (2006). Introduction to homeland security (2nd ed.). Butterworth-Heinemann.
芝加哥风格引文Bullock, Jane A. Introduction to Homeland Security. 2nd ed. Amsterdam ; Boston: Butterworth-Heinemann, 2006.
MLA引文Bullock, Jane A. Introduction to Homeland Security. 2nd ed. Butterworth-Heinemann, 2006.
警告：这些引文格式不一定是100％准确.